How to deal with the bedroom solid wood floor 5 mm above the threshold stone

It must be 150 mm wide, and the current width of 91 mm is basically obsolete. At the same cost of painting, a 91 mm wide billet costs only half as much as a 150 mm wide. The requirements for wide plates before leaving the factory are also higher. >>>More

Theoretically, there should be none, but in practice it is allowed to be at a certain error.

The floor material is different, the workmanship is different, whether there is a gap is not the same, generally the solid wood floor will leave expansion joints, this is because the solid wood has a high water absorption rate, thermal expansion and cold contraction also want to be larger, so the expansion joints are not bridged in the future, so as not to squeeze the floor bulge and other phenomena, solid wood flooring should also pay attention to maintenance.

I'll add that no, but you need a buckle under the door to make a partition, just like cutting a road over a certain distance!

The general national standard for solid wood flooring is 18mm, at least three dragons, and your 21mm floor, if you play dragons, you have to play at least three. If it belongs to solid wood geothermal, the quality should be good, the world's best solid wood flooring brand is Yongke, all his floors are 21 thick, but the most important technology of people is hot pressing technology, which has been used for nearly 200 years, is to heat the raw materials from 40 mm to 21 mm or so, I feel that Del should not have this technology. It's up to you to decide whether it's okay or not.